Shared secret we generated for a particular sender or receiver. More...

Collaboration diagram for SharedSecret:

Data Fields
struct SharedSecret *	next
	Kept in a DLL.

struct SharedSecret *	prev
	Kept in a DLL.

struct KeyCacheEntry *	kce_head
	Kept in a DLL, sorted by sequence number.

struct KeyCacheEntry *	kce_tail
	Kept in a DLL, sorted by sequence number.

struct SenderAddress *	sender
	Sender we use this shared secret with, or NULL.

struct ReceiverAddress *	receiver
	Receiver we use this shared secret with, or NULL.

struct GNUNET_ShortHashCode	master
	Master shared secret.

struct GNUNET_HashCode	cmac
	CMAC is used to identify master in ACKs.

uint32_t	sequence_used
	Up to which sequence number did we use this master already? (for encrypting only)

uint32_t	sequence_allowed
	Up to which sequence number did the other peer allow us to use this key, or up to which number did we allow the other peer to use this key?

unsigned int	active_kce_count
	Number of active KCN entries.

size_t	bytes_sent
	Bytes sent with this shared secret.

int	rekey_initiated
	rekey initiated for this secret?

int	override_available_acks
	Also precompute keys despite sufficient acks (for rekey)

Detailed Description

Shared secret we generated for a particular sender or receiver.

Definition at line 420 of file gnunet-communicator-udp.c.

Field Documentation

◆ next

struct SharedSecret* SharedSecret::next

Kept in a DLL.

Definition at line 425 of file gnunet-communicator-udp.c.

◆ prev

struct SharedSecret* SharedSecret::prev

Kept in a DLL.

Definition at line 430 of file gnunet-communicator-udp.c.

Referenced by decrypt_box(), mq_send_d(), and purge_secrets().

◆ kce_head

struct KeyCacheEntry* SharedSecret::kce_head

Kept in a DLL, sorted by sequence number.

Only if we are decrypting.

Definition at line 435 of file gnunet-communicator-udp.c.

Referenced by consider_ss_ack(), kce_destroy(), kce_generate(), and secret_destroy().

◆ kce_tail

struct KeyCacheEntry* SharedSecret::kce_tail

Kept in a DLL, sorted by sequence number.

Only if we are decrypting.

Definition at line 440 of file gnunet-communicator-udp.c.

Referenced by consider_ss_ack(), kce_destroy(), and kce_generate().

◆ sender

struct SenderAddress* SharedSecret::sender

Sender we use this shared secret with, or NULL.

Definition at line 445 of file gnunet-communicator-udp.c.

Referenced by consider_ss_ack(), decrypt_box(), kce_generate(), kce_generate_cb(), reschedule_sender_timeout(), secret_destroy(), sender_destroy(), sock_read(), and try_handle_plaintext().

◆ receiver

struct ReceiverAddress* SharedSecret::receiver

Receiver we use this shared secret with, or NULL.

Definition at line 450 of file gnunet-communicator-udp.c.

Referenced by add_acks(), secret_destroy(), setup_initial_shared_secret_ephemeral(), and setup_shared_secret_ephemeral().

◆ master

struct GNUNET_ShortHashCode SharedSecret::master

Master shared secret.

Definition at line 455 of file gnunet-communicator-udp.c.

Referenced by calculate_cmac(), consider_ss_ack(), create_rekey(), kce_generate(), kce_generate_cb(), mq_send_d(), secret_destroy(), send_msg_with_kx(), setup_initial_shared_secret_dec(), setup_initial_shared_secret_ephemeral(), setup_shared_secret_dec(), setup_shared_secret_ephemeral(), try_decrypt(), and try_handle_plaintext().

◆ cmac

struct GNUNET_HashCode SharedSecret::cmac

CMAC is used to identify master in ACKs.

Definition at line 460 of file gnunet-communicator-udp.c.

Referenced by calculate_cmac(), consider_ss_ack(), create_rekey(), and try_handle_plaintext().

◆ sequence_used

uint32_t SharedSecret::sequence_used

Up to which sequence number did we use this master already? (for encrypting only)

Definition at line 466 of file gnunet-communicator-udp.c.

Referenced by decrypt_box(), mq_send_d(), and secret_destroy().

◆ sequence_allowed

uint32_t SharedSecret::sequence_allowed

Up to which sequence number did the other peer allow us to use this key, or up to which number did we allow the other peer to use this key?

Definition at line 473 of file gnunet-communicator-udp.c.

Referenced by consider_ss_ack(), create_rekey(), kce_generate_cb(), mq_send_d(), secret_destroy(), and try_handle_plaintext().

◆ active_kce_count

unsigned int SharedSecret::active_kce_count

Number of active KCN entries.

Definition at line 478 of file gnunet-communicator-udp.c.

Referenced by kce_destroy(), and kce_generate().

◆ bytes_sent

size_t SharedSecret::bytes_sent

Bytes sent with this shared secret.

Definition at line 483 of file gnunet-communicator-udp.c.

Referenced by decrypt_box(), mq_send_d(), and purge_secrets().

◆ rekey_initiated

int SharedSecret::rekey_initiated

rekey initiated for this secret?

Definition at line 488 of file gnunet-communicator-udp.c.

Referenced by create_rekey(), and mq_send_d().

◆ override_available_acks

int SharedSecret::override_available_acks

Also precompute keys despite sufficient acks (for rekey)

Definition at line 493 of file gnunet-communicator-udp.c.

Referenced by kce_generate_cb(), and try_handle_plaintext().

The documentation for this struct was generated from the following file:

src/service/transport/gnunet-communicator-udp.c

Data Fields